I drink to to cups/16oz. of water 30 min before i eat. That takes the stress off your liver according to the book, (Your Body's Many Cries For Water).
I also do not drink anything while i eat. That forces you to actually chew your food up before swallowing it. Most people wash their food down with ice tea, and cola drinks. I don't drink anything for 1 hr after i eat.
P.S. Have your Liver Enzymes tested.
I followed The BACK TO EDEN book for years that said, don't drink anything 1 hr before and 1 hr after eating.
That kept my Liver Enzymes elevated. The testers would ask me if i had a drinking problem. I don't drink or ever have.